google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
  var data = new google.visualization.DataTable();
       data.addColumn('string', '日');
       data.addColumn('number', '推測');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', '推測');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS前月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS当月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addRows([
        ['1日',null,null,null,null,null,null,4,null,null,13,null,null],
['2日',null,null,null,null,null,null,2,null,null,10,null,null],
['3日',null,null,null,null,null,null,2,null,null,8,null,null],
['4日',null,null,null,null,null,null,2,null,null,8,'UP!','アナスタシア第1弾: 04/04 → 04/18'],
['5日',null,null,null,null,null,null,4,null,null,3,null,null],
['6日',null,null,null,null,null,null,2,null,null,1,null,null],
['7日',null,null,null,null,null,null,2,'UP!','CBC2018: 03/07 → 03/21',1,null,null],
['8日',null,null,null,null,null,null,1,null,null,1,null,null],
['9日',null,null,null,null,null,null,1,null,null,2,null,null],
['10日',null,null,null,null,null,null,1,null,null,2,null,null],
['11日',null,null,null,null,null,null,1,null,null,2,'UP!','アナスタシア第2弾: 04/11 → 04/25'],
['12日',null,null,null,null,null,null,4,null,null,2,null,null],
['13日',null,null,null,null,null,null,4,null,null,1,null,null],
['14日',null,null,null,null,null,null,2,null,null,2,null,null],
['15日',null,null,null,null,null,null,1,'UP!','復刻 セイバーウォーズ ～リリィのコスモ武者修行～: 03/15 → 03/29',3,null,null],
['16日',null,null,null,null,null,null,1,null,null,3,null,null],
['17日',null,null,null,null,null,null,1,null,null,4,null,null],
['18日',null,null,null,null,null,null,1,null,null,3,'UP!','復刻 星の三蔵ちゃん、天竺に行く: 04/18 → 04/29'],
['19日',null,null,null,null,null,null,1,null,null,5,null,null],
['20日',null,null,null,null,null,null,3,null,null,3,null,null],
['21日',null,null,null,null,null,null,3,null,null,4,null,null],
['22日',null,null,null,null,null,null,2,null,null,4,null,null],
['23日',null,null,null,null,null,null,2,null,null,2,null,null],
['24日',null,null,null,null,null,null,4,null,null,4,null,null],
['25日',null,null,null,null,null,null,5,null,null,4,'UP!','アポコラボ直前: 04/25 → 05/09'],
['26日',null,null,null,null,null,null,7,null,null,5,null,null],
['27日',null,null,null,null,null,null,5,null,null,1,null,null],
['28日',null,null,null,null,null,null,9,null,null,2,null,null],
['29日',null,null,null,null,null,null,13,'UP!','クラス別召喚: 03/29 → 04/12',5,'UP!','アポクリファコラボ: 04/29 → 05/13'],
['30日',null,null,null,null,null,null,14,null,null,6,null,null],
['31日',null,null,null,null,null,null,13,null,null,null,null,null]
        ]);
  var options = {
    chartArea: {'width':'85%', 'height':'65%', 'left':60 },
    'pointSize': 3,
    hAxis: { titleTextStyle:{italic:false}, format:'#',ticks: [1,5,10,15,20,25,30] },
    vAxis: { title:'2018年4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:20},direction:-1 },
    legend: {position: 'top' },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['skyblue','pink','#2980b9','#e74c3c']
  };

  var chart = new google.visualization.LineChart(document.getElementById('graphField'));
  chart.draw(data, options);

  var lastlogday=30 -1 ;
  var lastlogcat=10;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});